CN202485213U - Fuel gas cast iron boiler including mixed-flow device - Google Patents
Fuel gas cast iron boiler including mixed-flow device Download PDFInfo
- Publication number
- CN202485213U CN202485213U CN2012200230404U CN201220023040U CN202485213U CN 202485213 U CN202485213 U CN 202485213U CN 2012200230404 U CN2012200230404 U CN 2012200230404U CN 201220023040 U CN201220023040 U CN 201220023040U CN 202485213 U CN202485213 U CN 202485213U
- Authority
- CN
- China
- Prior art keywords
- boiler
- pipe
- self
- water
- flow tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model provides a fuel gas cast iron boiler including a mixed-flow device, and belongs to the field of fuel gas cast iron boilers. A cast iron boiler body is respectively connected with a boiler front water outlet, a boiler rear water outlet, a sewage discharge outlet, a boiler water inlet and a burner interface. The burner interface is connected with a boiler burner, the cast iron boiler body is wrapped by a thermal insulation layer and an outer packing skin, a boiler controller is arranged outside an upper portion of the outer packing skin in the front of the boiler and connected with a line of the boiler burner, and the sewage discharge outlet is connected with a sewage discharge valve pipeline. After being connected with a branch pipe of a self-circulation pipe, a boiler water-inflow mixed-flow pipe is connected with a system backwater pipeline. Outflow water of the boiler passes through a boiler front water-outflow pipe and forms a confluence with a boiler rear water-outflow pipe. Boiler inflow water is mixed by system backwater and a part of the boiler outflow water passing through the self-circulation pipe. According to the arrangement, a small gradient change between a low-temperature zone of the boiler body and a high-temperature zone of the boiler body is ensured, potential safety hazard due to local temperature difference impact in the boiler body is avoided, service life of the boiler is prolonged, and stable operation of the boiler system is not affected by poor circulation of a heating system.
Description
Technical field
The utility model relates to a kind of fuel vapor cast-iron boiler with flow mixing device, and it belongs to fuel vapor cast-iron boiler field.
Background technology
Interchange along with domestic and international technology; Many domestic and international fuel-firing gas-firing cast-iron boilers are applied in the system of central heating industry one after another; But it is bigger that the characteristic of cast-iron boiler material is influenced by difference variation; When being easy to, bursting situation, thereby bring very big potential safety hazard because of confession, the big temperature difference of the unbalanced generation of return water temperature.When the simultaneity factor return water temperature is low, be prone to produce a large amount of condensed waters, the problem of condensate corrosion occur, and therefore influence life of product.In addition, mostly cast-iron boiler is the fire grate segment modular construction, respectively establishes a delivery port before and after the boiler, but pipeline is connected with the delivery port of back usually, so just causes the unbalanced of boiler self temperature.
Summary of the invention
In view of the defective that prior art exists, the purpose of the utility model is providing a kind of fuel vapor cast-iron boiler with flow mixing device, solves the problem of fuel vapor cast-iron boiler because of fried sheet (explosion) of the unbalanced boiler body that causes of self temperature and condensate corrosion.
For realizing above purpose; A kind of fuel vapor cast-iron boiler of the technical scheme that the utility model adopted with flow mixing device; Connect delivery port behind delivery port before the boiler, the boiler, sewage draining exit, boiler feed water mouth and burner interface respectively by the cast-iron boiler body; The burner interface is connected with boiler-burner; Cast-iron boiler body external packing heat-insulation layer and external packing skin; Boiler front upper external packing skin is installed boiler controller outward and is connected with the boiler-burner circuit, and sewage draining exit is connected with the blowoff valve pipeline, boiler water outlet mixed flow tube respectively by with boiler before before the boiler that is connected of delivery port outlet pipe and with boiler after behind the boiler that is connected of delivery port the outlet pipe pipeline converge connection; The boiler feed water mixed flow tube is connected with boiler feed water mouth pipeline by the 3rd service valve, second filter, circulating pump, check-valves, the 4th service valve successively; Setting pressure table on the pipeline between circulating pump and the check-valves, mounting temperature sensor on the pipeline between the 4th service valve and the boiler feed water mouth, temperature sensor is connected with self-supporting temperature-sensing valve; Between boiler water outlet mixed flow tube and boiler feed water mixed flow tube, be connected with the self-loopa pipe, the self-loopa pipe is connected to form by first service valve, first filter, self-supporting temperature-sensing valve, the second service valve pipeline successively.Boiler water outlet mixed flow tube is the connected system feed pipe after connecting self-loopa pipe branched pipe; The boiler feed water mixed flow tube is the connected system return pipe after connecting self-loopa pipe branched pipe; Outlet pipe confluxes behind preceding outlet pipe of boiler water outlet process boiler and the boiler, and boiler feed water is confluxed through self-loopa pipe and system's backwater by the water outlet of part boiler.Behind the boiler length of outlet pipe less than boiler before the length of outlet pipe; Being connected the indentical tube road between boiler water outlet mixed flow tube and the system return pipe forms the self-loopa pipe and the boiler blow-down water temperature sensor is installed; Temperature sensor connects the self-supporting control valve; Adjustment self-loopa flow is in the temperature gradient limit value that return water temperature in the control backwater mixed flow tube and boiler leaving water temperature meet setting.
Adopt after the above-mentioned technical scheme, the beneficial effect of the utility model is: the boiler water outlet by boiler before behind outlet pipe and the boiler outlet pipe conflux and confess, boiler feed water is confluxed and is advanced through self-loopa pipe and system's backwater by the water outlet of part boiler; Self-loopa pipe and boiler feed water mixed flow tube, boiler water outlet mixed flow tube be the footpath together, and self force type temperature regulating valve control adjustment shunt volume is arranged; The stroke of outlet pipe weak point before the stroke ratio of outlet pipe behind the branched pipe of boiler water outlet mixed flow tube.Owing to install backwater mixed flow tube device additional; Make system return water temperature in the cast-iron boiler running guarantee with the boiler leaving water temperature can be within the limit temperature of setting; Thereby it is less to have guaranteed that boiler body low-temperature space and high-temperature region thermograde change; Boiler body can not impacted because of the temperature difference of part produce sound and potential safety hazards such as " fried sheets ", prolonged the service life of boiler, also can freely not have influence on the stable of steam generator system simultaneously because of the circulation of heating system.
Description of drawings
Fig. 1 is a kind of structural representation of the fuel vapor cast-iron boiler with flow mixing device.
Among the figure: 1, cast-iron boiler body, 2, sewage draining exit, 3, blowoff valve, 4, boiler-burner, 5, the burner interface; 6, delivery port before the boiler, 7, outlet pipe before the boiler, 8, boiler controller, 9, the external packing skin, 10, heat-insulation layer; 11, delivery port behind the boiler, 12, outlet pipe behind the boiler, 13, boiler water outlet mixed flow tube, 14, the system water supply pipe, 15, the self-loopa pipe; 16, first service valve, 17, first filter, 18, self-supporting temperature-sensing valve, 19, second service valve, 20, system's return pipe; 21, boiler feed water mixed flow tube, the 22, the 3rd service valve, 23, second filter, 24, circulating pump, 25, Pressure gauge; 26, check-valves, the 27, the 4th service valve, 28, temperature sensor, 29, the boiler feed water mouth.
The specific embodiment
For understanding the structure of the fuel vapor cast-iron boiler of being with flow mixing device in depth, explain as follows in conjunction with Fig. 1:
The fuel vapor cast-iron boiler of band flow mixing device connects delivery port 11 behind delivery port 6 before the boiler, the boiler, sewage draining exit 2, boiler feed water mouth 29 and burner interface 5 respectively by cast-iron boiler body 1; Burner interface 5 is connected with boiler-burner 4; Cast-iron boiler body 1 external packing heat-insulation layer 10, external packing skin 9; Boiler front upper external packing skin 9 is installed boiler controllers 8 outward and is connected with boiler-burner 4 circuits; Sewage draining exit 2 is connected with blowoff valve 3 pipelines; Boiler water outlet mixed flow tube 13 respectively by with boiler before before the boiler that is connected of delivery port 6 outlet pipe 7 and with boiler after behind the boiler that is connected of delivery port 11 outlet pipe 12 pipelines converge connection; Boiler feed water mixed flow tube 21 is connected with boiler feed water mouth 29 pipelines by the 3rd service valve 22, second filter 23, circulating pump 24, check-valves 26, the 4th service valve 27 successively; Setting pressure table 25 on the pipeline between circulating pump 24 and the check-valves 26, mounting temperature sensor 28 on the pipeline between the 4th service valve 27 and the boiler feed water mouth 29, temperature sensor 28 is connected with self-supporting temperature-sensing valve 18; Between boiler water outlet mixed flow tube 13 and boiler feed water mixed flow tube 21, be connected with self-loopa pipe 15; Self-loopa pipe 15 is connected to form by first service valve 16, first filter 17, self-supporting temperature-sensing valve 18, second service valve, 19 pipelines successively, and boiler water outlet mixed flow tube 13 is connected system feed pipe 14 after connecting self-loopa pipe 15 branched pipes, and boiler feed water mixed flow tube 21 is connected system return pipe 20 after connecting self-loopa pipe 15 branched pipes; Form the boiler water outlet by boiler before behind outlet pipe 7 and the boiler outlet pipe 12 conflux and confess, boiler feed water is confluxed and is advanced through self-loopa pipe 15 and system's backwater by the water outlet of part boiler; The stroke of back outlet pipe 12 must be shorter than the stroke of preceding exit branch 7.Being connected the indentical tube road between boiler water outlet mixed flow tube 13 and the heating system return pipe 20 forms self-loopa pipe 15 and boiler blow-down water temperature sensor 28 is installed; Temperature sensor 28 acts on self-supporting control valve 18; Adjustment self-loopa flow is guaranteed in the temperature gradient limit value that return water temperature and boiler leaving water temperature in the backwater mixed flow tube 21 meet setting.
The boiler water outlet by boiler before behind outlet pipe and the boiler outlet pipe 12 conflux and confess, boiler feed water is confluxed and is advanced through self-loopa pipe 15 and system's backwater by the water outlet of part boiler; Self-loopa pipe 15 and boiler feed water mixed flow tube 21, boiler water outlet mixed flow tube 13 footpath together, and self force type temperature regulating valve 18 control adjustment shunt volumes are arranged; The stroke of outlet pipe 12 must be shorter than the stroke of preceding outlet pipe 7 behind the branched pipe of boiler water outlet mixed flow tube 13.Owing to install backwater mixed flow tube device additional; Make system's return water temperature in the cast-iron boiler running can guarantee with the boiler leaving water temperature can be within the limit temperature of setting; Thereby it is less to have protected trivial temperature of boiler body low temperature and high-temperature region thermograde to change; Guaranteed that boiler body can not produce sound and potential safety hazards such as " fried sheets " because of the temperature difference impact of part; Prolonged the service life of boiler, also can freely not have influence on the stable of steam generator system simultaneously because of the circulation of heating system.
Claims (2)
1. fuel vapor cast-iron boiler with flow mixing device; Connect delivery port (11) behind delivery port (6) before the boiler, the boiler, sewage draining exit (2), boiler feed water mouth (29) and burner interface (5) respectively by cast-iron boiler body (1); Burner interface (5) is connected with boiler-burner (4); Cast-iron boiler body (1) external packing heat-insulation layer (10) and external packing skin (9); Boiler front upper external packing skin (9) is installed boiler controller (8) outward and is connected with boiler-burner (4) circuit; Sewage draining exit (2) is connected with blowoff valve (3) pipeline; Boiler water outlet mixed flow tube (13) respectively by with boiler before before the boiler that is connected of delivery port (6) outlet pipe (7) and with boiler after behind the boiler that is connected of delivery port (11) outlet pipe (12) pipeline converge connection; Boiler feed water mixed flow tube (21) is connected with boiler feed water mouth (29) pipeline by the 3rd service valve (22), second filter (23), circulating pump (24), check-valves (26), the 4th service valve (27) successively; Setting pressure table (25) on the pipeline between circulating pump (24) and the check-valves (26); Mounting temperature sensor (28) on the pipeline between the 4th service valve (27) and the boiler feed water mouth (29); Temperature sensor (28) is connected with self-supporting temperature-sensing valve (18), between boiler water outlet mixed flow tube (13) and boiler feed water mixed flow tube (21), is connected with self-loopa pipe (15), and self-loopa pipe (15) is connected to form by first service valve (16), first filter (17), self-supporting temperature-sensing valve (18), second service valve (19) pipeline successively; It is characterized in that: boiler water outlet mixed flow tube (13) is connected system feed pipe (14) after connecting self-loopa pipe (15) branched pipe; Boiler feed water mixed flow tube (21) is connected system return pipe (20) after connecting self-loopa pipe (15) branched pipe, and outlet pipe (12) confluxes behind preceding outlet pipe (7) of boiler water outlet process boiler and the boiler, and boiler feed water is confluxed through self-loopa pipe (15) and system's backwater by the water outlet of part boiler.
2. a kind of fuel vapor cast-iron boiler according to claim 1 with flow mixing device; It is characterized in that; The length of outlet pipe behind the boiler (12) less than boiler before the length of outlet pipe (7); Being connected the indentical tube road between boiler water outlet mixed flow tube (13) and the system's return pipe (20) forms self-loopa pipe (15) and boiler blow-down water temperature sensor (28) is installed; Temperature sensor (28) connects self-supporting control valve (18), and adjustment self-loopa flow is in the temperature gradient limit value that return water temperature in the control backwater mixed flow tube (21) and boiler leaving water temperature meet setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200230404U CN202485213U (en) | 2012-01-18 | 2012-01-18 | Fuel gas cast iron boiler including mixed-flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200230404U CN202485213U (en) | 2012-01-18 | 2012-01-18 | Fuel gas cast iron boiler including mixed-flow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202485213U true CN202485213U (en) | 2012-10-10 |
Family
ID=46959631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200230404U Expired - Fee Related CN202485213U (en) | 2012-01-18 | 2012-01-18 | Fuel gas cast iron boiler including mixed-flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202485213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410240A (en) * | 2014-12-09 | 2015-03-11 | 上海三进科技发展有限公司 | Marine permanent magnet brushless direct current motor |
-
2012
- 2012-01-18 CN CN2012200230404U patent/CN202485213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410240A (en) * | 2014-12-09 | 2015-03-11 | 上海三进科技发展有限公司 | Marine permanent magnet brushless direct current motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201074826Y (en) | Flue gas/oil-fired boiler energy conservation equipment | |
| CN106195995A (en) | A kind of heating power jet pump height adds steam-supplying system | |
| CN202485213U (en) | Fuel gas cast iron boiler including mixed-flow device | |
| CN107490001B (en) | A kind of condensation water recovery and use system | |
| CN202938498U (en) | Wall-mounted electric boiler with heating function | |
| CN206469513U (en) | A kind of pressure relief system of burnt gas wall hanging furnace | |
| CN203413718U (en) | Boiler heat supply system with high-temperature hot water boiler return water temperature raising function | |
| CN211780991U (en) | Clean steam generator | |
| CN107120716A (en) | Inexpensive Electromagnetic Heating heating plant | |
| CN103499119A (en) | Preassembled type primary and secondary ring assembly and system applied to floor heating hydraulic system | |
| CN203489488U (en) | Waterway system for gas heating water furnace | |
| KR20110001190U (en) | The Expansion Tank of Boiler | |
| CN205678871U (en) | A kind of heating system ejecting water type heat storage water tank and application thereof | |
| CN205119491U (en) | Heating device and use this heating device's fast ware of giving birth to of hot water | |
| CN210485661U (en) | Heat recovery device for vertical combustion furnace | |
| CN211146443U (en) | Boiler pollution discharge heat supply energy-saving system | |
| CN202371894U (en) | Wall-mounted gas heating water heater | |
| CN204607628U (en) | A kind of vacuum degassing machine | |
| CN207081040U (en) | A kind of kitchen residual heat recycling system | |
| CN204644729U (en) | A kind of steam ironing heat energy utilization system | |
| CN107559794A (en) | A kind of portable steam generator | |
| CN209370844U (en) | A kind of LPG, LNG double-purpose gasification installation | |
| CN207762879U (en) | A kind of subcritical generating set heat regenerative system of coal gas | |
| CN203719138U (en) | Household gas water heater heating and sanitary hot water supplying automatic conversion device | |
| CN209909874U (en) | Integrative inner bag of gas steam generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20150118 |
|
| EXPY | Termination of patent right or utility model |